Aminatou, the Fateshifter + Teferi, Master of Time + Contagion Engine + Contagion Clasp

Prerequisites

• Teferi has at least eight loyalty counters on it.

Steps

1. 1Activate Contagion Engine by paying and tapping it, putting two loyalty counters on each planeswalker you control.
2. 2Activate Contagion Clasp by paying and tapping it, putting a loyalty counter on each planeswalker you control.
3. 3Activate Ajani's second loyalty ability by removing two loyalty counters from it, putting a loyalty counter on each other planeswalker you control.
4. 4Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
5. 5Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Teferi.
6. 6Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
7. 7Move to your first extra turn.
8. 8Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
9. 9Repeat steps 1 and 2 one additional time.
10. 10Move to your second extra turn.
11. 11Repeat.

Effects

• Infinite turns
• Lock